Finding the Fourth Proportional to 106,838.29, 160,281.13 and 40,279.00
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Solution
The fourth proportional to 106,838.29, 160,281.13 and 40,279.00 is: 60,427.43
Step by Step Solution
- Step 1: Write the proportion equation
106,838.29 : 160,281.13 = 40,279.00 : x - Step 2: Convert to fraction form
106,838.29/160,281.13 = 40,279.00/x - Step 3: Cross multiply
106,838.29x = 160,281.13 × 40,279.00 - Step 4: Simplify right side
106,838.29x = 6,455,963,059.13 - Step 5: Solve for x
x = 6,455,963,059.13/106,838.29 - Step 6: Final answer
x = 60,427.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.